23678720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1423}}^1$

素因数の和:1457

約数の個数: 72

約数和(自身を含む): 61123776

約数和(自身を除く): 37445056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1423, 1664, 2080, 2846, 3328, 4160, 5692, 7115, 8320, 11384, 14230, 16640, 18499, 22768, 28460, 36998, 45536, 56920, 73996, 91072, 92495, 113840, 147992, 182144, 184990, 227680, 295984, 364288, 369980, 455360, 591968, 739960, 910720, 1183936, 1479920, 1821440, 2367872, 2959840, 4735744, 5919680, 11839360, 23678720]

約数ペア:

[(1, 23678720), (2, 11839360), (4, 5919680), (5, 4735744), (8, 2959840), (10, 2367872), (13, 1821440), (16, 1479920), (20, 1183936), (26, 910720), (32, 739960), (40, 591968), (52, 455360), (64, 369980), (65, 364288), (80, 295984), (104, 227680), (128, 184990), (130, 182144), (160, 147992), (208, 113840), (256, 92495), (260, 91072), (320, 73996), (416, 56920), (520, 45536), (640, 36998), (832, 28460), (1040, 22768), (1280, 18499), (1423, 16640), (1664, 14230), (2080, 11384), (2846, 8320), (3328, 7115), (4160, 5692)]